Know Your Environment. Protect Your Health.

Bromoform

Mountain Regional Water Special Service District

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

66

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.245 ppb111ND - 2.70 ppb
2019ND150ND
2020ND60ND
2021ND90ND
2022ND150ND
20230.105 ppb101ND - 1.05 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform is based on the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer, harm to reproduction and child development, and change to fetal growth and development .

ppb = parts per billion

All test results

Date Result
2018-03-20ND
2018-03-20ND
2018-03-20ND
2018-06-06ND
2018-06-20ND
2018-06-20ND
2018-06-20ND
2018-08-23ND
2018-09-05ND
2018-09-13ND
2018-09-132.70 ppb
2019-01-03ND
2019-01-03ND
2019-01-03ND
2019-01-03ND
2019-01-24ND
2019-01-24ND
2019-01-24ND
2019-02-25ND
2019-02-25ND
2019-02-25ND
2019-03-20ND
2019-04-18ND
2019-08-28ND
2019-08-28ND
2019-11-14ND
2020-03-02ND
2020-07-14ND
2020-07-14ND
2020-09-21ND
2020-12-04ND
2020-12-30ND
2021-02-02ND
2021-02-02ND
2021-03-16ND
2021-06-03ND
2021-06-08ND
2021-08-04ND
2021-08-04ND
2021-08-04ND
2021-12-08ND
2022-02-17ND
2022-02-17ND
2022-02-17ND
2022-02-17ND
2022-05-04ND
2022-05-05ND
2022-05-05ND
2022-05-05ND
2022-08-04ND
2022-08-04ND
2022-08-04ND
2022-09-07ND
2022-12-06ND
2022-12-06ND
2022-12-07ND
2023-03-16ND
2023-06-21ND
2023-09-21ND
2023-09-21ND
2023-09-211.05 ppb
2023-11-06ND
2023-11-06ND
2023-11-06ND
2023-12-11ND
2023-12-11ND